hoernschen/dendrite
1
0
Fork 0
mirror of https://github.com/hoernschen/dendrite.git synced 2025-07-31 13:22:46 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Roomserver updater changes (#1283)

Browse source 
* Take input transaction when setting up updaters

* Fix nil pointer exceptions

* Rename room recent events updater to latest events updater

* Contd rename room recent events updater to latest events updater

* Remove unnecessary interfaces for latest events and membership updaters
This commit is contained in:
Neil Alexander 2020-08-19 13:24:54 +01:00 • committed by GitHub
parent 3d58417555
commit 775b04d776
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
9 changed files with 63 additions and 137 deletions
Download patch file Download diff file Expand all files Collapse all files

63
roomserver/types/types.go
View file

@ -16,7 +16,6 @@
package types
import (
"github.com/matrix-org/dendrite/internal/sqlutil"
"github.com/matrix-org/gomatrixserverlib"
)
@ -140,68 +139,6 @@ type StateEntryList struct {
StateEntries []StateEntry
}
// A RoomRecentEventsUpdater is used to update the recent events in a room.
// (On postgresql this wraps a database transaction that holds a "FOR UPDATE"
// lock on the row in the rooms table holding the latest events for the room.)
type RoomRecentEventsUpdater interface {
// The room version of the room.
RoomVersion() gomatrixserverlib.RoomVersion
// The latest event IDs and state in the room.
LatestEvents() []StateAtEventAndReference
// The event ID of the latest event written to the output log in the room.
LastEventIDSent() string
// The current state of the room.
CurrentStateSnapshotNID() StateSnapshotNID
// Store the previous events referenced by an event.
// This adds the event NID to an entry in the database for each of the previous events.
// If there isn't an entry for one of previous events then an entry is created.
// If the entry already lists the event NID as a referrer then the entry unmodified.
// (i.e. the operation is idempotent)
StorePreviousEvents(eventNID EventNID, previousEventReferences []gomatrixserverlib.EventReference) error
// Check whether the eventReference is already referenced by another matrix event.
IsReferenced(eventReference gomatrixserverlib.EventReference) (bool, error)
// Set the list of latest events for the room.
// This replaces the current list stored in the database with the given list
SetLatestEvents(
roomNID RoomNID, latest []StateAtEventAndReference, lastEventNIDSent EventNID,
currentStateSnapshotNID StateSnapshotNID,
) error
// Check if the event has already be written to the output logs.
HasEventBeenSent(eventNID EventNID) (bool, error)
// Mark the event as having been sent to the output logs.
MarkEventAsSent(eventNID EventNID) error
// Build a membership updater for the target user in this room.
// It will share the same transaction as this updater.
MembershipUpdater(targetUserNID EventStateKeyNID, isTargetLocalUser bool) (MembershipUpdater, error)
// Implements Transaction so it can be committed or rolledback
sqlutil.Transaction
}
// A MembershipUpdater is used to update the membership of a user in a room.
// (On postgresql this wraps a database transaction that holds a "FOR UPDATE"
// lock on the row in the membership table for this user in the room)
// The caller should call one of SetToInvite, SetToJoin or SetToLeave once to
// make the update, or none of them if no update is required.
type MembershipUpdater interface {
// True if the target user is invited to the room before updating.
IsInvite() bool
// True if the target user is joined to the room before updating.
IsJoin() bool
// True if the target user is not invited or joined to the room before updating.
IsLeave() bool
// Set the state to invite.
// Returns whether this invite needs to be sent
SetToInvite(event gomatrixserverlib.Event) (needsSending bool, err error)
// Set the state to join or updates the event ID in the database.
// Returns a list of invite event IDs that this state change retired.
SetToJoin(senderUserID string, eventID string, isUpdate bool) (inviteEventIDs []string, err error)
// Set the state to leave.
// Returns a list of invite event IDs that this state change retired.
SetToLeave(senderUserID string, eventID string) (inviteEventIDs []string, err error)
// Implements Transaction so it can be committed or rolledback.
sqlutil.Transaction
}
// A MissingEventError is an error that happened because the roomserver was
// missing requested events from its database.
type MissingEventError string